Question about 2003 Harley Davidson FLHTC Electra Glide Classic

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Checked fuse keeps blown turn brake light and spedomter not working

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Hi Anonymous, if your instrument and or lite circut fuses keeps blowing when you turn the ignition switch on then you have a dead short in one of these circuits. Go to www.officialharleyparts.com they have a wiring driagram for a 2001 FLHTC you can download for free, it should be close enough to use on your 2003. Get out your test lite out and start checking wires, connector blocks, connector pins in the light circuit. Connect the test lite to battery positive and starting from the fuse panel work you way foward by stabing the power wires until the test lite stops lighting, and bingo you are very close to the short, repair as necessary. Good luck

Posted on Apr 17, 2015

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Posted on Jan 02, 2017

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strech3030us
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SOURCE: Brake light will not come

Usually the rear brake light switch is a hydraulic switch, as opposed to the mechanical switch for the front brake light switch.
Only 3 things could be wrong with it.
1) no fluid in system/too much air in system.
If the brakes work, we can eliminate this one.
2) bad switch.
Find the switch (start at the master cylinder and follow the brake line back until you find it). Unplug the two wires and connect am ohmmeter or continuity tester across the two contacts on the switch itself. circuit should be open (no continuity). Step on brake pedal and circuit should close (register continuity/0 Ohms resistance)
Could be wiring problem. Was one of the connectors loose/unplugged when you went to perform above test?
To test wiring, before reinstalling switch connectors, jump the two wire connectors (that you removed from the switch). Even a straightened out paper clip will do. Then when the ignition is turned on, the brake lights should come on. With ignition still on, pull out jumper wire (or paper clip) and brake lights should go off.

Posted on Aug 04, 2013

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98 town car my brake lights both turn signals work my hazards work, but my running tail lights don't work


Hello,

Inside your instrument fuse panel look for fuse #31 which powers up the light control module and the main light switch, also while there be sure and check fuses 1, 3, 5, 7, and 9 to be sure they're not blown.

Good luck!

Let me know if this helps.

Rodney

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My 2005 buick rendezvous keeps blowing the fuse for the turn signals and brake lights. Fuse #42 in the inside fuse panel. this just started happening two days ago. Nothing is different with the car.


most likely caused by a short, could be any were. start with the light assembleys remove it and clean any rusty or coroded spotspull all bulbs clean and or replace .auto parts stores sell an electrical parts wash about 9 to 14 $ . spray as needed let dry and put back together.if it still blows fuses its some ware in the wire s , could also be at the turn signal switch or the brake switch . you would have to get it to blow to figure out witch one it is and witch one it is not example put in new fuse then keep putting on the brakes if not blown then keep doin the turn signal then check to see if blown

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I HAVE AN 02 IMPALA AND MY INSTRUMENT LIGHTS AND TAIL LIGHTS DONT WORK WHEN I TURN ON THE HEAD LIGHTS


Check the fuse box and look for a blown fuse. If the fuse keeps blowing, then there might be a bad wire somewhere or the brake light sockets may be corroded. That can cause problems an cause fuses to pop. Hopefully, it's just a blown fuse and and not too bad of a problem.

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Changed fuse and brake light still doesnt work


Did you check for voltage at the light socket before replacing the fuse?
Was the fuse blown? If so, you need to find out why it blew. (fuses do not blow for no reason) If not, why did you replace it?

Did you check for voltage in and out of the brake switch? Brake switch failures are common on Dodge trucks. There should be voltage going in, but none coming out the other side until the brake pedal is depressed. If there is voltage going in, the fuse is not blown. If there is still no voltage on the other side when the brake pedal is depressed, then the brake switch is your problem-child.

The next step is to check for voltage in and out of the multifunction switch. (turn signal switch) The brake lamp voltage is switched on and off by the turn signal switch. Failure of the turn signal switch can cause a "no brake light" symptom. This is a common failure among most makes of vehicles. This failure can often be verified by stepping on the brake pedal and wiggling the turn signal switch. If the brake lights flicker on and off while doing this, the mutifunction switch needs to be replaced.

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Brake light fuse keeps blowing Noticed our brake ligths were not working...checked the fuses under the dash and they were fine...checked under the hood and found one blown...replaced it and the brake...


Take a look at the wiring to the brake lights. It is quite possible that over the years one of the wires has rubbed against another enough to short out, causing the blown fuses.

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All brake lights suddenly stopped working changed bulbs park light fuse and cant find any blown fuses what else can it be


brake switch on the pedal bad.bad relay. do you have a second fuse box if so check it. look at the wiring see if it is frayed or chafed check the connections.check all the fuses not just the ones labeled brakes.switch the relay with one that you know is good like turn signal and see if the turn signal works then check brakes.use a 12 volt test light check the brake switch and probe the wires. hope this helped if not write back and i'll give you more ideas.

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